RESEARCH TRIANGLE PARK, N.C.--(BUSINESS WIRE)--Drug discovery company, SCYNEXIS, Inc., today announced top-line results from a Phase 1b randomized, double-blind, placebo-controlled study of its lead oral antiviral drug candidate, SCY-635, in adult patients with chronic hepatitis C (HCV) infection. Treatment with SCY-635 was well tolerated and produced a clinically relevant reduction in plasma HCV RNA. Full results of the study will be presented in 2009. SCY-635, a cyclophilin inhibitor, represents a new class of drugs for the treatment of HCV infection and is the first candidate from a broad platform of proprietary cyclophilin inhibitors developed by SCYNEXIS.